Exam 9: Probability

Find the probability. -Each of ten tickets is marked with a different number from 1 to 10 and put in a box. If you draw a ticket from the box, what is the probability that you will draw 5, 6, or 4?

Solve the problem. -Two dice are rolled. Find the odds that the score on the dice is either 8 or at most 5.

Solve the problem. -If you are dealt two cards successively (with replacement of the first)from a standard 52-card deck, find the probability of getting a heart on the first card and a diamond on the second.

Find the probability. -Two dice are rolled. Find the probability that the sum is odd and the number on one of the dice is a 1.

Solve the problem. -During a department store sale, 30 shoppers bought only clothing, 5 shoppers bought only towels, and 15 shoppers bought both clothing and towels. If 100 people shopped that day and a shopper is chosen at random, what is the probability that the shopper has bought towels?

Solve the problem. -A fair die is tossed. What are the odds in favor of the cube showing an odd number?

Find the probability. -When a single card is drawn from an ordinary 52-card deck, find the probability of getting a club.

Construct the requested tree diagram. -Juanita can choose a white, a red, or a black blouse, and a gray or a cream skirt. Construct a tree diagram that shows all possible skirt and blouse outfits that Juanita could select.

Find the probability. -A lottery game has balls numbered 1 through 21. What is the probability of selecting an even numbered ball or a 8?

Solve the problem. -Suppose that we wish to distribute the two-digit random numbers from 00 through 99 so that the corresponding random numbers can be used to simulate the sightings of UFO's in a given region. If The numbers 00 to 40 correspond to 0 sightings, what is the estimated probability of 0 sightings?

Determine the number of outcomes as requested. -How many 3-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, if repetitions of digits are allowed?

Determine whether the players have equal probabilities of winning. -Toss two fair dice numbered 1 through 6. If the sum is 7, player 1 wins; if the sum is 3 or 4, player 2 wins.

List the elements in the sample space of the experiment. -A lottery uses balls numbered 1 through 33. List the sample space of the event picking one even-numbered ball.

Two marbles are drawn without replacement from a box with 3 white, 2 green, 2 red, and 1 blue marble. Find the probability. -One marble is white and one marble is blue.

Find the probability. -Two dice are rolled. Find the probability that the score on the dice is 5 or that the dice both show the same number ("doubles").

Solve the problem. -The probabilities that Hank will sell 0, 1, 2, or 3 cars this week are 0.15, 0.60, 0.24, and 0.01. Distribute the two-digit random numbers from 00 through 99 among these four possibilities so that The corresponding random numbers can be used to simulate the number of cars Hank sells in a Week.

Construct the requested tree diagram. -Clark is selecting new eyeglasses. He can choose styles A, B, or C in either the color black or orange. Construct a tree diagram that shows all possible choices that Clark can make.

Find the probability. -A card is drawn from a well-shuffled deck of 52 cards. What is the probability of drawing a face card or a 3?

Determine the number of outcomes as requested. -If a single card is drawn from a standard 52-card deck, in how many ways could it be a diamond or a face card?

Find the requested probability. -A box contains the six letters SAMPLE. Four letters are drawn one by one with replacement and recorded in order. What is the probability that the outcome is LEAP?